Add 'name' stub to String patches. Update .gitignore

Author: madAle

.gitignore

@@ -1,5 +1,6 @@
 .bundle
 .ruby-version
+.ruby-gemset
 .yardoc
 *.gem
 coverage

lib/mqtt/patches/string_encoding.rb

@@ -24,6 +24,10 @@ def initialize(name)
   def to_s
     @name
   end
+  
+  def name
+    @name
+  end
 
   UTF_8 = Encoding.new("UTF-8")
   ASCII_8BIT = Encoding.new("ASCII-8BIT")